Croup Flashcards

1
Q

What is croup?

A

Croup is inflammation of the upper respiratory tract following a viral illness

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2
Q

What is stridor?

A

High pitched turbulant sounds that occurs when a child inhales

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3
Q

What is stridor indicative of?

A

An upper respiratory tract narrowing or obstruction

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4
Q

What is wheeze?

A

A high pitched turbulant noise that occurs when a child exhales

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5
Q

What is a wheeze indicative of?

A

A narrowing or obstruction in the lower airway (lungs)

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6
Q

What are the differential diagnoses of croup?

A

Epiglottitis
Tonsilitis
Anaphylaxis
Inhaled foreign body
Congenital defects of the upper airway

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7
Q

What are the classic signs of croup?

A

Coryza in the preceding days
Stridor
Hoarse voice
Fever

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8
Q

What is the most common causative organism of croup?

A

Parainfluenza virus

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9
Q

At what age is croup common?

A

Between ages 6 months to 3 years

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10
Q

At what age is croup most prevalent?

A

2 years

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11
Q

At what time of year is croup most common?

A

Autumn/early winter

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12
Q

What is the first line treatment of croup?

A

Oral dexamethasone

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13
Q

What is the second line treatment of croup?

A

Nebulised adrenaline

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14
Q

What condition may be diagnosed if the symptoms don’t improve with treatment for croup?

A

Bacterial tracheitis

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15
Q

What is the treatment of bacterial tracheitis?

A

IV antibiotics

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16
Q

What bacteria typically causes bacterial tracheitis?

A

Staphylococcus aureus

17
Q

What sign may be seen on CXR in croup?

A

Steeple sign - narrowing of the subglottis